Ya-Sin 36:8

Inna jaAAalna fee aAAnaqihimaghlalan fahiya ila al-athqani fahummuqmahoon

Indeed, We have put shackles on their necks, and they are to their chins, so they are with heads [kept] aloft.

We have placed iron collars on their necks, so they are reaching up to their chins, and their heads are forced to remain upwards.